//py-*
const start = 5;
const increase = 5;
const result = [];
for(let i=1;i<=5;i++){
  result.push(`.py-${i}{padding-top:${start + increase * (i - 1)}px;padding-bottom: ${start + increase * (i - 1)}px;}`);
}
console.log(result.join("\n"));
//px-*
const start = 5;
const increase = 5;
const result = [];
for(let i=1;i<=5;i++){
  result.push(`.px-${i}{padding-left:${start + increase * (i - 1)}px;padding-right: ${start + increase * (i - 1)}px;}`);
}
console.log(result.join("\n"));
//mt-*
const start = 5;
const increase = 5;
const result = [];
for(let i=1;i<=5;i++){
  result.push(`.mt-${i}{margin-top:${start + increase * (i - 1)}px;}`);
}
console.log(result.join("\n"));